Question about HP LaserJet 4 plus Printer
It wnt't turn on. No lights. Nothing. But sometimes after a few minutes of joggling and turning the switch on and off it turns on. I dont knwo if my fiddling has any effect or if it just eventually turns on on its own. The power cord is fine.The power connector seems firm.
Thanks for any help. I dont knwo where to take it if repair is necessary. I'm in Portland, Oregon
1-the switch is bad, or not engaging properly
2-the power board is bad/ bad transformer
get a portable lamp plug in socket and wiggle totest connection, if it stays on the socket is good otherwise call electrician.
leave printer on for a few minutes does it come on by itself witout you getting jiggy with it? bad board
if not the switch is most likely the problem
Posted on Aug 08, 2008
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Posted on Jan 02, 2017
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You can try to do a "Cold reset"
turn off the printer hold down the Menu/reset button and turn it back on.
Do you hear the machine go into rotation? the 4 plus has a high pitch sound follwed by the fuser turning ( you'll know when it does it) if it doesn't go into rotation then there is another problem.
Oct 13, 2007 | HP LaserJet 4 plus Printer
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